First remember to add permissions
<Android: name="Android.permission.INTERNET"/>
XML code
<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:paddingbottom= "@dimen/activity_vertical_margin"Android:paddingleft= "@dimen/activity_horizontal_margin"Android:paddingright= "@dimen/activity_horizontal_margin"Android:paddingtop= "@dimen/activity_vertical_margin"Tools:context= "Com.example.dell.fuwuqicunchu.fuwuqicunchu"android:orientation= "Vertical" > <EditText android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Hello world!"Android:id= "@+id/et_1"/> <LinearLayout android:layout_width= "Match_parent"Android:layout_height= "Wrap_content" > <Button android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Volleyget"Android:onclick= "Volleyget"Android:layout_weight= "1"/> <Button android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Volleypost"Android:onclick= "Volleypost"Android:layout_weight= "1"/> </LinearLayout> <EditText android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:id= "@+id/et_2"/></linearlayout>
Java code
PackageCom.example.dell.myfuwuqi;ImportAndroid.app.ProgressDialog;ImportAndroid.os.Bundle;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.view.View;ImportAndroid.widget.EditText;ImportAndroid.widget.Toast;ImportCom.android.volley.AuthFailureError;Importcom.android.volley.Request;ImportCom.android.volley.RequestQueue;ImportCom.android.volley.Response;ImportCom.android.volley.VolleyError;Importcom.android.volley.toolbox.StringRequest;ImportCom.android.volley.toolbox.Volley;ImportJava.util.HashMap;ImportJava.util.Map; Public classWebactivityextendsappcompatactivity {EditText et_1; EditText et_2; Requestqueue Requestqueue; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_web); Et_1=(EditText) Findviewbyid (r.id.et_1); Et_1.settext ("Http://192.168.1.101:8080/Testweb/testweb.jsp"); Et_2=(EditText) Findviewbyid (r.id.et_2); Requestqueue=volley.newrequestqueue ( This); } Public voidvolleyget (view view) {FinalProgressDialog ProgressDialog =NewProgressDialog ( This); Stringrequest Str=NewStringrequest (Et_1.gettext (). toString (),NewResponse.listener<string>() {@Override Public voidOnresponse (String s) {et_2.settext (s); Progressdialog.dismiss (); } }, NewResponse.errorlistener () {@Override Public voidonerrorresponse (Volleyerror volleyerror) {toast.maketext (webactivity. This, "Failed", Toast.length_short). Show (); Progressdialog.dismiss (); } }); Requestqueue.add (str); } Public voidVolleypost (View v) {FinalProgressDialog dialog =NewProgressDialog ( This); Stringrequest Str=NewStringrequest (Request.Method.POST, Et_1.gettext (). toString (),NewResponse.listener<string>() {@Override Public voidOnresponse (String s) {et_2.settext (s); Dialog.dismiss (); } }, NewResponse.errorlistener () {@Override Public voidonerrorresponse (Volleyerror volleyerror) {toast.maketext (webactivity. This, "Failed", Toast.length_short). Show (); Dialog.dismiss (); }}) {@OverrideprotectedMap<string, string> getparams ()throwsAuthfailureerror {Map<String,String> map =NewHashmap<string,string>(); Map.put ("Name", "Volley"); returnmap; } }; Requestqueue.add (str); }}
Get and Post methods for volley